#2 Brass Oil Lamp Burners are replacement Queen Anne style burners that fit many glass oil lamps with a 1-3/16" collar opening. These are fully functional mechanisms used to create light by burning lamp oil. These replacement #2 brass burners have relatively fine threads. This common size fits many but not all antique oil lamps. Use on lamps with a 1-3/16" collar opening. Side turn knob winds wick up and down within burner.